Isoperibol calorimeters (those operating in a constant-temperature environment) are used to measure the power and energy in laser beams relative to electrical standards. The derivation of the basic formula is reviewed.Two methods are presented for analyzi Topics: Calorimetry., Lasers.
This film examines the process of holography, types of holograms, and the uses of the hologram for artistic and scientific purposes, as demonstrated by Tung H. Jeong, PhD, Lake Forest College. About the film, director Tom Smith writes: "Nobel Prize winner Dennis Gabor, holography’s inventor, saw the film after it was made and said it was the best film on the subject that he had seen. It is such a visual subject it made for a good film. I knew the 3-D quality could only be appreciated if... ( 1 reviews ) Topics: lasers, holography, science, optics
byMcSparron, Donald A.; Douglas, C. A.; Badger, H. L.
The output of pulsed lasers may be measured with reasonable accuracy by modifications of established radiometric methods. The receiver, thermopile or phototube, is used ballistically. It is calibrated by an incandescent-lamp standard of spectral irradianc Topics: Lasers., Radioactivity--Measurement.
byJennings, Donald Alfred, 1930-; West, E. D.; Evenson, K. M.; Rasmussen, A. L.; Simmons, W. R.
Calorimeters for measuring the output energy of pulsed ruby and neodymium glass lasers have been built and calibrated.The absorbing medium is an aqueous solution of CuSO4. Calibration of *laser energy detectors has an estimated uncertainty of plus or minu Topics: Calorimetry., Gas lasers.
About the BookThe book aims at bringing the reader up-to-date with the latest achievements and trends in the physics of laser processes, as well as at providing sufficient information so that the reader can then independently make use of specialized literature in this field. It describes the present state of affairs in the development of laser technology from the point of view of research as well as applications in various branches of industry.The book was translated from the Russian by Ram... Topics: physics, lasers, light, applications of lasers, types of lasers, molecular lasers
A pulsating form of hydrodynamic instability has recently been shown to arise during the deflagration of liquid propellants in those parameter regimes where the pressure-dependent burning rate is characterized by a negative pressure sensitivity. This type of instability can coexist with the classical cellular, or Landau, form of hydrodynamic instability, with the occurrence of either dependent on whether the pressure sensitivity is sufficiently large or small in magnitude. For the inviscid... Topics: LASERS, EMITTERS, PATENTS